/* ── Typography base ───────────────────────────────────────────────────────── */
button, select, input { font-family: 'Rajdhani', sans-serif; }

/* ── Header ────────────────────────────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.logo {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: linear-gradient(125deg, var(--x-color), var(--o-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.rule-badge {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.62rem;
  color: var(--text2);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  line-height: 1.6;
  text-align: center;
}

/* ── Nav icon buttons ──────────────────────────────────────────────────────── */
.nav-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text2);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  flex-shrink: 0;
  padding: 0;
}
.nav-btn:hover { background: var(--surface3); color: var(--text); border-color: var(--border2); }
.nav-btn svg { width: 16px; height: 16px; pointer-events: none; }

/* ── Scoreboard ────────────────────────────────────────────────────────────── */
.scoreboard {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 420px;
}

.score-card {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: border-color 0.25s, background 0.25s;
}
.score-card.active-x { border-color: color-mix(in srgb, var(--x-color) 55%, transparent); background: color-mix(in srgb, var(--x-color) 7%, transparent); }
.score-card.active-o { border-color: color-mix(in srgb, var(--o-color) 55%, transparent); background: color-mix(in srgb, var(--o-color) 7%, transparent); }

.score-symbol       { font-size: 1.6rem; font-weight: 700; line-height: 1; }
.score-symbol.x     { color: var(--x-color); }
.score-symbol.o     { color: var(--o-color); }
.score-info         { flex: 1; }
.score-label        { font-size: 0.62rem; color: var(--text2); text-transform: uppercase; letter-spacing: 0.1em; font-family: 'Share Tech Mono', monospace; }
.score-value        { font-size: 1.7rem; font-weight: 700; line-height: 1.1; color: var(--text); }

.turn-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); transition: background 0.25s; flex-shrink: 0; }
.score-card.active-x .turn-dot { background: var(--x-color); box-shadow: 0 0 5px var(--x-color); animation: pulse 1.2s ease-in-out infinite; }
.score-card.active-o .turn-dot { background: var(--o-color); box-shadow: 0 0 5px var(--o-color); animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }

/* ── Timer bar ─────────────────────────────────────────────────────────────── */
#timer-bar {
  width: 100%;
  max-width: 420px;
  height: 4px;
  background: var(--surface2);
  border-radius: 2px;
  overflow: hidden;
  display: none;
}
.timer-fill {
  height: 100%;
  background: var(--o-color);
  border-radius: 2px;
  transition: width 0.9s linear, background 0.3s;
}
.timer-fill.danger { background: var(--x-color); }

/* ── Tournament label ──────────────────────────────────────────────────────── */
#tournament-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.68rem;
  color: var(--text2);
  text-align: center;
  letter-spacing: 0.06em;
  min-height: 1em;
}

/* ── Status ────────────────────────────────────────────────────────────────── */
.status {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  min-height: 1.8rem;
  text-align: center;
  transition: color 0.2s;
  color: var(--text2);
}
.status.win-x { color: var(--x-color); animation: status-pop 0.4s ease; }
.status.win-o { color: var(--o-color); animation: status-pop 0.4s ease; }
.status.draw  { color: var(--muted); }
@keyframes status-pop {
  0%   { transform: scale(0.8); opacity: 0; }
  60%  { transform: scale(1.06); }
  100% { transform: scale(1); opacity: 1; }
}

/* ── Pending bar (simultaneous mode) ───────────────────────────────────────── */
#pending-bar {
  display: none;
  gap: 18px;
  align-items: center;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
}
.pending-slot {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text2);
}
.pending-slot .ps-label { font-weight: 700; }
.pending-slot.x .ps-label { color: var(--x-color); }
.pending-slot.o .ps-label { color: var(--o-color); }

/* ── Power-up bar ──────────────────────────────────────────────────────────── */
#powerup-bar {
  display: none;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 420px;
}
.pu-btn {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.68rem;
  padding: 5px 12px;
  border-radius: 6px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text2);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.pu-btn:hover:not(:disabled) { background: var(--surface3); color: var(--text); }
.pu-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.pu-btn.x-side { border-color: color-mix(in srgb, var(--x-color) 40%, transparent); }
.pu-btn.o-side { border-color: color-mix(in srgb, var(--o-color) 40%, transparent); }

/* ── Bottom button row ─────────────────────────────────────────────────────── */
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }

button.action-btn {
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.12s;
}
button.action-btn:hover  { background: var(--surface3); border-color: var(--border2); }
button.action-btn:active { transform: scale(0.97); }
button.action-btn.primary {
  background: color-mix(in srgb, var(--o-color) 12%, transparent);
  border-color: color-mix(in srgb, var(--o-color) 35%, transparent);
  color: var(--o-color);
}
button.action-btn.primary:hover {
  background: color-mix(in srgb, var(--o-color) 22%, transparent);
}

/* ── Footer hint ───────────────────────────────────────────────────────────── */
.rule-text {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.64rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.7;
}

/* ── Panels (slide-in drawer) ──────────────────────────────────────────────── */
.panel {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(340px, 92vw);
  background: var(--surface);
  border-left: 1px solid var(--border);
  padding: 0;
  display: flex;
  flex-direction: column;
  transform: translateX(105%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
  z-index: 101;
  overflow: hidden;
}
.panel.open { transform: translateX(0); }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.panel-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text);
}
.panel-close {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
  color: var(--text2); border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}
.panel-close:hover { background: var(--surface2); color: var(--text); }
.panel-close svg { width: 14px; height: 14px; }

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ── Settings panel internals ──────────────────────────────────────────────── */
.settings-section { display: flex; flex-direction: column; gap: 14px; }
.settings-section-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.setting-info { display: flex; flex-direction: column; gap: 2px; }
.setting-name { font-size: 0.9rem; font-weight: 500; color: var(--text); }
.setting-desc { font-family: 'Share Tech Mono', monospace; font-size: 0.6rem; color: var(--text2); line-height: 1.5; }

/* ── Toggle ────────────────────────────────────────────────────────────────── */
.toggle-wrap { position: relative; flex-shrink: 0; }
.toggle-wrap input[type="checkbox"] { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-track {
  display: block; width: 40px; height: 22px;
  background: var(--surface3); border: 1px solid var(--border2);
  border-radius: 11px; cursor: pointer; position: relative;
  transition: background 0.22s, border-color 0.22s;
}
.toggle-track::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--muted); transition: transform 0.22s, background 0.22s;
}
input[type="checkbox"]:checked + .toggle-track {
  background: color-mix(in srgb, var(--o-color) 18%, transparent);
  border-color: var(--o-color);
}
input[type="checkbox"]:checked + .toggle-track::after {
  transform: translateX(18px); background: var(--o-color);
}

/* ── Select & input in settings ────────────────────────────────────────────── */
.panel-body select,
.panel-body input[type="number"] {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.82rem;
  padding: 5px 8px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}
.panel-body select { min-width: 110px; padding-right: 24px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23666'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 8px center; }
.panel-body input[type="number"] { width: 60px; text-align: center; }

button#btn-apply {
  align-self: stretch;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--o-color) 35%, transparent);
  background: color-mix(in srgb, var(--o-color) 12%, transparent);
  color: var(--o-color);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}
button#btn-apply:hover { background: color-mix(in srgb, var(--o-color) 22%, transparent); }

/* ── Stats panel ───────────────────────────────────────────────────────────── */
.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text2);
}
.stat-row strong { color: var(--text); font-weight: 700; }

/* ── Replay panel ──────────────────────────────────────────────────────────── */
.replay-empty {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  color: var(--text2);
  text-align: center;
  line-height: 1.8;
  padding: 24px 0;
}

.replay-header-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.replay-pos {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
}
.replay-total {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
}

/* Range slider */
#rp-slider {
  width: 100%;
  accent-color: var(--o-color);
  margin: 4px 0;
}

.replay-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}
.rp-btn {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.75rem;
  padding: 5px 9px;
  border-radius: 6px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s;
  flex-shrink: 0;
}
.rp-btn:hover { background: var(--surface3); }

#rp-speed {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text2);
  font-size: 0.72rem;
  padding: 4px 6px;
}

.replay-log {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 52vh;
  overflow-y: auto;
}
.replay-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.68rem;
  color: var(--text2);
  padding: 5px 8px;
  border-radius: 5px;
  background: var(--surface2);
  cursor: pointer;
  transition: background 0.15s;
}
.replay-row:hover { background: var(--surface3); }
.replay-row.active {
  background: color-mix(in srgb, var(--o-color) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--o-color) 30%, transparent);
  color: var(--text);
}
.rp-num  { color: var(--muted); min-width: 20px; text-align: right; }
.rp-player { font-weight: 700; min-width: 14px; }
.rp-x { color: var(--x-color); }
.rp-o { color: var(--o-color); }
.rp-cell { color: var(--text2); }

/* ── Guide panel ───────────────────────────────────────────────────────────── */
.guide-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.guide-item {
  padding: 10px 12px;
  background: var(--surface2);
  border-radius: 8px;
  border-left: 3px solid var(--border2);
}

.guide-item-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.guide-item-desc {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  color: var(--text2);
  line-height: 1.65;
}